Product Name : MINIATURE SIZE METAL FILM FIXED RESISTORS
Description
INTRODUCTION:
- Miniature size for saving PCB assembly.
- Manufactured by high vacuum sputtering deposit metal film on high aluminum content ceramic rods.
- Superior electrical performance and cost comparable to conventional sizes.
- Standard tolerance: ± 0.1% ± 0.25% ± 0.5% ± 1%
DIMENSIONS:
GENERAL SPECIFICATIONS:
SMALL STYLE
SMALL STYLE
POWER RATING (W)
DIMENSION (mm)
MAX WORKING VOLTAGE
MAX OVERLODAD
L
D
H (MIN)
d
MF-25S
1/4WS
0.25W
3.7±0.4
1.8±0.2
27
0.46±0.02
250
300
MF-50S
1/2WS
0.5W
6.8±0.5
2.5±0.2
27
0.53±0.03
350
500
MF-100S
1WS
1W
9.0±1.0
3.5±0.5
25
0.68±0.02
500
700
MF-200S
2WS
2W
12±1.0
4.5±0.5
33
0.80±0.03
500
1000
MF-300S
3WS
3W
16±1.0
5.5±0.5
33
0.80±0.03
600
1000
MF-500S
5WS
5W
17±1.0
6.0±0.5
30
0.80±0.03
700
1000
FM-0204
0.4W
3.7±0.4
1.8±0.2
27
0.46±0.02
250
350
FM-0207
0.6W
6.8±0.5
2.5±0.2
27
0.53±0.03
350
500
RESISTANCE RANGE:
SMALL STYLE
SMALL STYLE
TOLERANCE
TC ±25PPM/℃
TC ±100PPM/℃
TC ±50PPM/℃
MF-25S
1/4WS
±1%
±0.5%
±0.25%
±0.1%
10Ω~1MΩ
100Ω~1MΩ
51.1Ω~470KΩ
51.1Ω~470KΩ
1Ω~10MΩ
51.1Ω~470KΩ
MF-50S
1/2WS
±1%
±0.5%
±0.25%
±0.1%
0.1Ω~10MΩ
0.1Ω~10MΩ
10Ω~470kΩ
10Ω~470KΩ
0.1Ω~10MΩ
0.1Ω~10MΩ
MF-100S
1WS
±1%
±0.5%
±0.25%
±0.1%
0.1Ω~10MΩ
0.1Ω~10MΩ
10Ω~470kΩ
10Ω~470KΩ
0.1Ω~10MΩ
0.1Ω~10MΩ
MF-200S
2WS
±1%
±0.5%
±0.25%
±0.1%
0.1Ω~10MΩ
0.1Ω~10MΩ
1Ω~470kΩ
10Ω~470KΩ
0.1Ω~10MΩ
0.1Ω~10MΩ
MF-300S
3WS
±1%
±0.5%
±0.25%
±0.1%
0.1Ω~10MΩ
0.1Ω~10MΩ
1Ω~470kΩ
10Ω~470KΩ
0.1Ω~10MΩ
0.1Ω~10MΩ
MF-500S
5WS
±1%
±0.5%
±0.25%
±0.1%
0.1Ω~10MΩ
0.1Ω~10MΩ
1Ω~470kΩ
10Ω~470KΩ
0.1Ω~10MΩ
0.1Ω~10MΩ
CHARACTERISTICS:
Requirements
Characteristics
Remarks
Temperature Coefficient
±50 PPM
10-6/K
Mil-STD-202
Metro 304
Termal Resistance
140 K/W
Life Stability At 70℃ 1000Hr Max.
Resistance Change
0.5%
K Most Umax. 1.5 hr ON 0.5 hr OFF
Dielectric Withstanding Voltage
300 Vr. m.s. for MF0204
500 Vr. m.s. for MF- 0207
Insulation Resistance
>103MΩ
1000VDC
Damp Heat Steady State
±0.5%
56 Days At 40℃ and 93% Relative humidity at a voltage of 0.1 times rated voltage. Max 16 Volts.
Short time Overload
△R±0.25%
2.5 times rated voltage, at most 2 times limiting element voltage (U Max)
Moisture Resistance
±0.5%
Resistance to Soldering Heat
±0.25%
350±5℃ to 6mm distance from the resistance body in 3 sec.
Temperature Cycling
±0.5%
-65℃ to 155℃
Low temperature operation
±0.25%
High frequency, 10-500Hz
Vibration
±0.25%
- 65℃
Current Noise
Up to 1MΩ 0.5µ V/V
- 5dB
Solderability
>95% Coverage
Dipping in 235℃ solder bath for 2.5 sec.
Resistance to Solvents
No failure to top coating and color code
DERATING CURVE:
INTRODUCTION:
- Miniature size for saving PCB assembly.
- Manufactured by high vacuum sputtering deposit metal film on high aluminum content ceramic rods.
- Superior electrical performance and cost comparable to conventional sizes.
- Standard tolerance: ± 0.1% ± 0.25% ± 0.5% ± 1%
GENERAL SPECIFICATIONS:
SMALL STYLE | SMALL STYLE | POWER RATING (W) | DIMENSION (mm) | MAX WORKING VOLTAGE | MAX OVERLODAD | |||
L | D | H (MIN) | d | |||||
MF-25S | 1/4WS | 0.25W | 3.7±0.4 | 1.8±0.2 | 27 | 0.46±0.02 | 250 | 300 |
MF-50S | 1/2WS | 0.5W | 6.8±0.5 | 2.5±0.2 | 27 | 0.53±0.03 | 350 | 500 |
MF-100S | 1WS | 1W | 9.0±1.0 | 3.5±0.5 | 25 | 0.68±0.02 | 500 | 700 |
MF-200S | 2WS | 2W | 12±1.0 | 4.5±0.5 | 33 | 0.80±0.03 | 500 | 1000 |
MF-300S | 3WS | 3W | 16±1.0 | 5.5±0.5 | 33 | 0.80±0.03 | 600 | 1000 |
MF-500S | 5WS | 5W | 17±1.0 | 6.0±0.5 | 30 | 0.80±0.03 | 700 | 1000 |
FM-0204 | 0.4W | 3.7±0.4 | 1.8±0.2 | 27 | 0.46±0.02 | 250 | 350 | |
FM-0207 | 0.6W | 6.8±0.5 | 2.5±0.2 | 27 | 0.53±0.03 | 350 | 500 |
SMALL STYLE | SMALL STYLE | TOLERANCE | TC ±25PPM/℃ | TC ±100PPM/℃ TC ±50PPM/℃ |
MF-25S | 1/4WS | ±1% ±0.5% ±0.25% ±0.1% |
10Ω~1MΩ 100Ω~1MΩ 51.1Ω~470KΩ 51.1Ω~470KΩ |
1Ω~10MΩ 51.1Ω~470KΩ |
MF-50S | 1/2WS | ±1% ±0.5% ±0.25% ±0.1% |
0.1Ω~10MΩ 0.1Ω~10MΩ 10Ω~470kΩ 10Ω~470KΩ |
0.1Ω~10MΩ 0.1Ω~10MΩ |
MF-100S | 1WS | ±1% ±0.5% ±0.25% ±0.1% |
0.1Ω~10MΩ 0.1Ω~10MΩ 10Ω~470kΩ 10Ω~470KΩ |
0.1Ω~10MΩ 0.1Ω~10MΩ |
MF-200S | 2WS | ±1% ±0.5% ±0.25% ±0.1% |
0.1Ω~10MΩ 0.1Ω~10MΩ 1Ω~470kΩ 10Ω~470KΩ |
0.1Ω~10MΩ 0.1Ω~10MΩ |
MF-300S | 3WS | ±1% ±0.5% ±0.25% ±0.1% |
0.1Ω~10MΩ 0.1Ω~10MΩ 1Ω~470kΩ 10Ω~470KΩ |
0.1Ω~10MΩ 0.1Ω~10MΩ |
MF-500S | 5WS | ±1% ±0.5% ±0.25% ±0.1% |
0.1Ω~10MΩ 0.1Ω~10MΩ 1Ω~470kΩ 10Ω~470KΩ |
0.1Ω~10MΩ 0.1Ω~10MΩ |
CHARACTERISTICS:
Requirements | Characteristics | Remarks |
Temperature Coefficient | ±50 PPM | 10-6/K Mil-STD-202 Metro 304 |
Termal Resistance | 140 K/W | |
Life Stability At 70℃ 1000Hr Max. Resistance Change | 0.5% | K Most Umax. 1.5 hr ON 0.5 hr OFF |
Dielectric Withstanding Voltage | 300 Vr. m.s. for MF0204 500 Vr. m.s. for MF- 0207 | |
Insulation Resistance | >103MΩ | 1000VDC |
Damp Heat Steady State | ±0.5% | 56 Days At 40℃ and 93% Relative humidity at a voltage of 0.1 times rated voltage. Max 16 Volts. |
Short time Overload | △R±0.25% | 2.5 times rated voltage, at most 2 times limiting element voltage (U Max) |
Moisture Resistance | ±0.5% | |
Resistance to Soldering Heat | ±0.25% | 350±5℃ to 6mm distance from the resistance body in 3 sec. |
Temperature Cycling | ±0.5% | -65℃ to 155℃ |
Low temperature operation | ±0.25% | High frequency, 10-500Hz |
Vibration | ±0.25% | - 65℃ |
Current Noise | Up to 1MΩ 0.5µ V/V | - 5dB |
Solderability | >95% Coverage | Dipping in 235℃ solder bath for 2.5 sec. |
Resistance to Solvents | No failure to top coating and color code |
DERATING CURVE: